1163425998 has 16 divisors (see below), whose sum is σ = 2659259520. Its totient is φ = 332407416.

The previous prime is 1163425981. The next prime is 1163426003. The reversal of 1163425998 is 8995243611.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13850268 + ... + 13850351.

It is an arithmetic number, because the mean of its divisors is an integer number (166203720).

Almost surely, 2^1163425998 is an apocalyptic number.

1163425998 is an abundant number, since it is smaller than the sum of its proper divisors (1495833522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1163425998 is a wasteful number, since it uses less digits than its factorization.

1163425998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27700631.

The product of its digits is 466560, while the sum is 48.

The square root of 1163425998 is about 34109.0310328511. The cubic root of 1163425998 is about 1051.7509705377.

The spelling of 1163425998 in words is "one billion, one hundred sixty-three million, four hundred twenty-five thousand, nine hundred ninety-eight".